Tests: PHP shared opcache test added.

test/php/opcache/index.php

@@ -0,0 +1,18 @@
+<?php
+
+$pid = getmypid();
+
+header('X-Pid: ' . $pid);
+
+if (function_exists('opcache_is_script_cached')) {
+    if (opcache_is_script_cached(__DIR__ . '/test.php')) {
+        header('X-Cached: 1');
+    } else {
+        header('X-Cached: 0');
+        opcache_compile_file(__DIR__ . '/test.php');
+    }
+} else {
+    header('X-Cached: -1');
+}
+
+?>

test/php/opcache/test.php

@@ -0,0 +1 @@
+<?php phpinfo(); ?>

test/test_php_application.py

@@ -713,3 +713,20 @@ class TestPHPApplication(TestApplicationPHP):
         ), 'relative path w/ chdir'
 
         assert self.get()['body'] == 'test', 'relative path 2'
+
+    def test_php_application_shared_opcache(self):
+        self.load('opcache', limits={'requests': 1})
+
+        r = self.get()
+        cached = r['headers']['X-Cached']
+        if cached == '-1':
+            pytest.skip('opcache is not supported')
+
+        pid = r['headers']['X-Pid']
+
+        assert cached == '0', 'not cached'
+
+        r = self.get()
+
+        assert r['headers']['X-Pid'] != pid, 'new instance'
+        assert r['headers']['X-Cached'] == '1', 'cached'

test/unit/applications/lang/php.py

@@ -22,18 +22,27 @@ class TestApplicationPHP(TestApplicationProto):
 
             script_path = '/app/php/' + script
 
-        self._load_conf(
-            {
-                "listeners": {"*:7080": {"pass": "applications/" + script}},
-                "applications": {
-                    script: {
+        app = {
             "type": self.get_application_type(),
-                        "processes": {"spare": 0},
+            "processes": kwargs.pop('processes', {"spare": 0}),
             "root": script_path,
             "working_directory": script_path,
             "index": index,
         }
-                },
+
+        for attr in (
+            'environment',
+            'limits',
+            'options',
+            'targets',
+        ):
+            if attr in kwargs:
+                app[attr] = kwargs.pop(attr)
+
+        self._load_conf(
+            {
+                "listeners": {"*:7080": {"pass": "applications/" + script}},
+                "applications": {script: app},
             },
             **kwargs
         )